{"id":8278,"slug":"spotify-african-chart-turnover-by-market-2026-robustness","title":"Robustness of Distinct tracks and daily turnover on Spotify&#8217;s four African Top 200 charts, 16 August to 27 October 2026 (distinct_tracks)","source":"Recomputed from spotify-african-chart-turnover-by-market-2026","source_url":"","source_type":"computed","method":"Sensitivity check on \"distinct_tracks\" in the dataset spotify-african-chart-turnover-by-market-2026, 4 rows carrying a value. Rows sorted by that column, then the totals recomputed with the largest rows dropped one scenario at a time, and again with named rows excluded. sum_change_pct and mean_change_pct are each scenario against the full set. A finding that moves sharply when a single row leaves is a finding about that row.","unit":"","license":"Afrobeats Wire's compilation and analysis are licensed CC BY 4.0. Rights in the underlying source data remain with the source named above.","confidence":"high","retrieved":"2026-10-27 08:10:25","n":4,"first_party":0,"columns":[{"key":"scenario","label":"Scenario","type":"text"},{"key":"n","label":"Rows","type":"number"},{"key":"sum","label":"Total","type":"number"},{"key":"mean","label":"Mean","type":"number"},{"key":"top_share_pct","label":"Largest row share, %","type":"number"},{"key":"sum_change_pct","label":"Change in total, %","type":"number"},{"key":"mean_change_pct","label":"Change in mean, %","type":"number"}],"rows":[{"scenario":"All rows","n":4,"sum":1762,"mean":440.5,"top_share_pct":34.56,"sum_change_pct":0,"mean_change_pct":0},{"scenario":"Excluding the top 1 (South Africa)","n":3,"sum":1153,"mean":384.3333,"top_share_pct":43.89,"sum_change_pct":-34.56,"mean_change_pct":-12.75},{"scenario":"Excluding the top 3 (South Africa, Nigeria, Morocco)","n":1,"sum":235,"mean":235,"top_share_pct":100,"sum_change_pct":-86.66,"mean_change_pct":-46.65}]}